diff --git a/package-lock.json b/package-lock.json
index 1d5284b..a0a5d94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "@tailwindcss/typography": "^0.5.19",
         "@tailwindcss/vite": "^4.2.1",
         "codemirror": "^6.0.2",
-        "github-markdown-css": "^5.8.1",
+        "github-markdown-css": "^5.9.0",
         "highlight.js": "^11.11.1",
         "jdenticon": "^3.3.0",
         "katex": "^0.16.38",
@@ -1636,9 +1636,9 @@
       }
     },
     "node_modules/github-markdown-css": {
-      "version": "5.8.1",
-      "resolved": "https://registry.npmjs.org/github-markdown-css/-/github-markdown-css-5.8.1.tgz",
-      "integrity": "sha512-8G+PFvqigBQSWLQjyzgpa2ThD9bo7+kDsriUIidGcRhXgmcaAWUIpCZf8DavJgc+xifjbCG+GvMyWr0XMXmc7g==",
+      "version": "5.9.0",
+      "resolved": "https://registry.npmjs.org/github-markdown-css/-/github-markdown-css-5.9.0.tgz",
+      "integrity": "sha512-tmT5sY+zvg2302XLYEfH2mtkViIM1SWf2nvYoF5N1ZsO0V6B2qZTiw3GOzw4vpjLygK/KG35qRlPFweHqfzz5w==",
       "dev": true,
       "license": "MIT",
       "engines": {
diff --git a/package.json b/package.json
index cbfc880..3853b64 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@tailwindcss/typography": "^0.5.19",
     "@tailwindcss/vite": "^4.2.1",
     "codemirror": "^6.0.2",
-    "github-markdown-css": "^5.8.1",
+    "github-markdown-css": "^5.9.0",
     "highlight.js": "^11.11.1",
     "jdenticon": "^3.3.0",
     "katex": "^0.16.38",